/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 导航栏 */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo h1 {
    color: #2c3e50;
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 25px;
}

.nav-links a {
    text-decoration: none;
    color: #34495e;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    color: #3498db;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #34495e;
    margin: 3px 0;
    transition: 0.3s;
}

/* 首页主视觉区 */
.hero {
    background: linear-gradient(135deg, #3498db, #2c3e50);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.cta-buttons {
    margin-top: 30px;
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    margin: 10px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-primary {
    background-color: #e74c3c;
    color: white;
}

.btn-primary:hover {
    background-color: #c0392b;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.hero-image {
    margin-top: 40px;
}

.hero-image img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* 技术优势对比表 */
.tech-comparison {
    padding: 80px 0;
    background-color: #fff;
}

.tech-comparison h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: #2c3e50;
}

.comparison-table {
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.comparison-table th,
.comparison-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.comparison-table th {
    background-color: #3498db;
    color: white;
}

.comparison-table tr:nth-child(even) {
    background-color: #f8f9fa;
}

.comparison-table tr:hover {
    background-color: #e3f2fd;
}

.recommendation {
    text-align: center;
    font-size: 1.2rem;
    font-weight: bold;
    color: #e74c3c;
}

/* 核心亮点 */
.features {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: #2c3e50;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card h3 {
    color: #3498db;
    margin-bottom: 15px;
}

/* 客户评价 */
.testimonials {
    padding: 80px 0;
    background-color: #2c3e50;
    color: white;
}

.testimonials h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 15px;
}

.author {
    font-weight: bold;
    color: #3498db;
}

/* 底部CTA */
.cta-section {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

/* 页脚 */
footer {
    background-color: #34495e;
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #3498db;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #4a5f7a;
}

/* 功能详解页面 */
.features-detail {
    padding: 50px 0;
    background-color: #fff;
}

.features-detail h1 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.features-intro {
    text-align: center;
    margin-bottom: 50px;
    font-size: 1.2rem;
    color: #7f8c8d;
}

.feature-module {
    margin-bottom: 60px;
}

.feature-module h2 {
    font-size: 1.8rem;
    color: #3498db;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
}

.feature-content {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    align-items: center;
}

.feature-text {
    flex: 1;
    min-width: 300px;
}

.feature-text h3 {
    color: #2c3e50;
    margin: 15px 0 10px;
}

.feature-image {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.feature-image img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 使用场景页面 */
.use-cases {
    padding: 50px 0;
    background-color: #fff;
}

.use-cases h1 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.use-cases-intro {
    text-align: center;
    margin-bottom: 50px;
    font-size: 1.2rem;
    color: #7f8c8d;
}

.use-case {
    margin-bottom: 60px;
}

.use-case h2 {
    font-size: 1.8rem;
    color: #3498db;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
}

.use-case-content {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    align-items: center;
}

.use-case-text {
    flex: 1;
    min-width: 300px;
}

.use-case-text h3 {
    color: #2c3e50;
    margin: 15px 0 10px;
}

.use-case-text ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

.use-case-text li {
    margin-bottom: 10px;
}

.quote {
    font-style: italic;
    color: #e74c3c;
    font-weight: bold;
    margin-top: 20px;
}

.use-case-image {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.use-case-image img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 技术架构页面 */
.technology {
    padding: 50px 0;
    background-color: #fff;
}

.technology h1 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.tech-intro {
    text-align: center;
    margin-bottom: 50px;
    font-size: 1.2rem;
    color: #7f8c8d;
}

.tech-section {
    margin-bottom: 60px;
}

.tech-section h2 {
    font-size: 1.8rem;
    color: #3498db;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
}

.tech-content {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    align-items: center;
}

.tech-text {
    flex: 1;
    min-width: 300px;
}

.tech-text h3 {
    color: #2c3e50;
    margin: 15px 0 10px;
}

.tech-text ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

.tech-text li {
    margin-bottom: 10px;
}

.tech-text strong {
    color: #2c3e50;
}

.tech-image {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.tech-image img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 下载中心页面 */
.download {
    padding: 50px 0;
    background-color: #fff;
}

.download h1 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.download-intro {
    text-align: center;
    margin-bottom: 50px;
    font-size: 1.2rem;
    color: #7f8c8d;
}

.download-version {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 50px;
}

.download-version h2 {
    color: #3498db;
    margin-bottom: 20px;
}

.version-info p {
    margin-bottom: 10px;
}

.download-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.download-option h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.download-option ul {
    list-style: none;
}

.download-option li {
    margin-bottom: 15px;
}

.btn-download {
    display: block;
    padding: 12px 20px;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
    text-align: center;
}

.btn-download:hover {
    background-color: #2980b9;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.download-notes {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 50px;
}

.download-notes h2 {
    color: #3498db;
    margin-bottom: 20px;
}

.notes-content h3 {
    color: #2c3e50;
    margin: 20px 0 10px;
}

.notes-content ol {
    margin-left: 20px;
    margin-bottom: 20px;
}

.notes-content li {
    margin-bottom: 10px;
}

.download-history {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
}

.download-history h2 {
    color: #3498db;
    margin-bottom: 20px;
}

.download-history ul {
    list-style: none;
}

.download-history li {
    margin-bottom: 10px;
}

.download-history a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s;
}

.download-history a:hover {
    color: #2980b9;
    text-decoration: underline;
}

/* 更新日志页面 */
.changelog {
    padding: 50px 0;
    background-color: #fff;
}

.changelog h1 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.changelog-intro {
    text-align: center;
    margin-bottom: 50px;
    font-size: 1.2rem;
    color: #7f8c8d;
}

.changelog-version {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 30px;
}

.changelog-version h2 {
    color: #3498db;
    margin-bottom: 20px;
}

.version-changes h3 {
    color: #2c3e50;
    margin: 20px 0 10px;
}

.version-changes ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

.version-changes li {
    margin-bottom: 10px;
}

/* 文档支持页面 */
.documentation {
    padding: 50px 0;
    background-color: #fff;
}

.documentation h1 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.doc-intro {
    text-align: center;
    margin-bottom: 50px;
    font-size: 1.2rem;
    color: #7f8c8d;
}

.doc-section {
    margin-bottom: 50px;
}

.doc-section h2 {
    color: #3498db;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
}

.doc-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.doc-item {
    background-color: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
}

.doc-item h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.faq-item {
    background-color: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.faq-item h3 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.support-content ul {
    list-style: none;
    margin-top: 20px;
}

.support-content li {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

/* 关于我们页面 */
.about {
    padding: 50px 0;
    background-color: #fff;
}

.about h1 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.about-intro {
    text-align: center;
    margin-bottom: 50px;
    font-size: 1.2rem;
    color: #7f8c8d;
}

.about-section {
    margin-bottom: 50px;
}

.about-section h2 {
    color: #3498db;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
}

.about-content ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

.about-content li {
    margin-bottom: 10px;
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.contact-info h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.contact-info ul {
    list-style: none;
}

.contact-info li {
    margin-bottom: 10px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: #fff;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 15px 0;
    }

    .hamburger {
        display: flex;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .features-grid,
    .testimonial-grid,
    .doc-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .feature-content,
    .use-case-content,
    .tech-content {
        flex-direction: column;
    }
}